some refactor

src/main/java/ru/ulstu/configuration/MvcConfiguration.java

@@ -11,6 +11,7 @@ public class MvcConfiguration extends WebMvcConfigurerAdapter {
     public void addViewControllers(ViewControllerRegistry registry) {
         registry.addViewController("/{articlename:\\w+}");
         //registry.addViewController("/admin/{articlename:\\w+}");
+        registry.addViewController("/papers/{articlename:\\w+}");
         registry.addRedirectViewController("/", "/index");
         registry.addRedirectViewController("/default", "/index");
     }

src/main/resources/templates/default.html

@@ -84,7 +84,7 @@
 </footer>
 
 <!-- Custom scripts for this template -->
-<script src="js/agency.js"></script>
+<script src="/js/agency.js"></script>
 
 </body>
 </html>

src/main/resources/templates/index.html

@@ -18,7 +18,7 @@
         </div>
         <div class="row">
             <div class="col-md-4 col-sm-6 portfolio-item">
-                <a class="portfolio-link" href="./papers">
+                <a class="portfolio-link" href="./papers/papers">
                     <div class="portfolio-hover">
                         <div class="portfolio-hover-content">
                             <i class="fa fa-arrow-right fa-3x"></i>

src/main/resources/templates/papers/papers.html

@@ -19,8 +19,8 @@
         </div>
     </section>
 
-    <script src="js/core.js"></script>
-    <script src="js/papers.js"></script>
+    <script src="/js/core.js"></script>
+    <script src="/js/papers.js"></script>
     <script>
         $( document ).ready(function() {
             showPapers($("#paper-list"));